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13527028480 = 28577320681
BaseRepresentation
bin11001001100100011…
…00001001100000000
31021220201111020121211
430212101201030000
5210200404402410
610114135055504
7656132562550
oct144621411400
937821436554
1013527028480
115811722789
122756211594
13137762b384
14924759160
1554285868a
hex326461300

13527028480 has 144 divisors (see below), whose sum is σ = 37539319104. Its totient is φ = 4574085120.

The previous prime is 13527028447. The next prime is 13527028483. The reversal of 13527028480 is 8482072531.

It is a happy number.

It is a super-2 number, since 2×135270284802 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (13527028483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643740 + ... + 664420.

It is an arithmetic number, because the mean of its divisors is an integer number (260689716).

Almost surely, 213527028480 is an apocalyptic number.

13527028480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13527028480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18769659552).

13527028480 is an abundant number, since it is smaller than the sum of its proper divisors (24012290624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13527028480 is an equidigital number, since it uses as much as digits as its factorization.

13527028480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20782 (or 20768 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 13527028480 in words is "thirteen billion, five hundred twenty-seven million, twenty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 73 80 112 128 140 146 160 224 256 280 292 320 365 448 511 560 584 640 730 896 1022 1120 1168 1280 1460 1792 2044 2240 2336 2555 2920 4088 4480 4672 5110 5840 8176 8960 9344 10220 11680 16352 18688 20440 20681 23360 32704 40880 41362 46720 65408 81760 82724 93440 103405 130816 144767 163520 165448 206810 289534 327040 330896 413620 579068 654080 661792 723835 827240 1158136 1323584 1447670 1509713 1654480 2316272 2647168 2895340 3019426 3308960 4632544 5294336 5790680 6038852 6617920 7548565 9265088 10567991 11581360 12077704 13235840 15097130 18530176 21135982 23162720 24155408 26471680 30194260 37060352 42271964 46325440 48310816 52839955 60388520 84543928 92650880 96621632 105679910 120777040 169087856 185301760 193243264 211359820 241554080 338175712 386486528 422719640 483108160 676351424 845439280 966216320 1352702848 1690878560 1932432640 2705405696 3381757120 6763514240 13527028480